Parking Brake Release Switch: Description and Operation
RELEASE SWITCHDESCRIPTION
The BAS release switch (2) is a device used to signal the Controller Antilock Brake (CAB) module that the brake is released.
The BAS release switch (2) cannot be serviced. The power brake booster must be replaced in the event of a BAS release switch failure.
OPERATION
When the force on the brake pedal is removed, movement on the brake booster control valve occurs. When this occurs, the signal is sent to the Controller Antilock Brake (CAB) Module.
REMOVAL
The release switch is part of the brake booster assembly. Refer to the brake booster removal procedure.
INSTALLATION
The release switch is part of the brake booster assembly. Refer to the brake booster installation procedure.